/*
 * Copyright 2011 Alex Paréj.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.mkdir.web.validator;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.FacesValidator;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import org.mkdir.util.jsf.MessageBundle;

/**
 *
 * @author Alex Paréj
 */
@FacesValidator("emailValidator")
public class EmailValidator implements Validator {

    @Override
    public void validate(FacesContext fc, UIComponent uic, Object o) throws ValidatorException {
        if (o == null) {
            return;
        }
        String value = (String)o;
        if(!value.matches("^[a-z0-9_\\+-]+(\\.[a-z0-9_\\+-]+)*@[a-z0-9-]+(\\.[a-z0-9-]+)*\\.([a-z]{2,4})$")){
            throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, MessageBundle.getMessage("notValidEmail"), null));
        }
    }
}
